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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import sys
from oslo.config import cfg
from nova.openstack.common import importutils
from nova.openstack.common import log as logging
driver_opts = [
cfg.StrOpt('network_driver',
default='nova.network.linux_net',
help='Driver to use for network creation'),
]
CONF = cfg.CONF
CONF.register_opts(driver_opts)
LOG = logging.getLogger(__name__)
def load_network_driver(network_driver=None):
if not network_driver:
network_driver = CONF.network_driver
if not network_driver:
LOG.error(_("Network driver option required, but not specified"))
sys.exit(1)
LOG.info(_("Loading network driver '%s'") % network_driver)
return importutils.import_module(network_driver)
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